Yes, strep throat is contagious. It spreads through coughs, sneezes, or close contact. Taking the right antibiotics can help you recover faster, prevent complications, and stop spreading it to others.

Pneumonia is an infection of the lungs where the air sacs (alveoli) become inflamed and fill with fluid or pus, making it hard to breathe; bacteria, viruses, or fungi can cause it, and it commonly causes fever, cough with phlegm, chest pain, and shortness of breath, while vaccination and good hygiene help prevent it.